#VU9874 Improper access control in WD My Cloud 

 

#VU9874 Improper access control in WD My Cloud

Published: January 8, 2018


Vulnerability identifier: #VU9874
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green
CVE-ID: N/A
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
WD My Cloud
Software vendor:
Western Digital

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive data.

The vulnerability exists due to absent validation of the access credentials before displaying the list of all application users via "/api/2.1/rest/users" API. A remote unauthenticated attacker can send a simple HTTP GET request an view the list of all device users.

Exploitation example:
GET /api/2.1/rest/users? HTTP/1.1

Remediation

Update to version 2.30.172.

External links